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Standard Data Dictionary

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The Standard Data Dictionary is Prince William County's official demographic dataset.

  • Download entire dataset - Version 2018 ( Excel | PDF )

BASELINE DEMOGRAPHICS: PRINCE WILLIAM COUNTY, VIRGINIA

For convenience purposes, the following table is a condensed version of the dictionary and contains the most popular data points.

 ATTRIBUTEVALUE1UNITSPERCENTDATA CURRENCY3SOURCE
AREATotal Area:348.47Square Miles_2010U.S. Census Bureau
Land Area:336.40Square Miles_2010U.S. Census Bureau
Water Area:12.07Square Miles_2010U.S. Census Bureau
PWC ESTIMATESTotal Population Estimate: PWC GIS Division:456,105People_12/31/2017PWC GIS Division
Population Density:1,308.88People per square mile_12/31/2017PWC GIS Division
*Total Housing Unit Estimate: PWC GIS Division:152,274Housing Units_12/31/2017PWC GIS Division
*Total Household Estimate: PWC GIS Division:146,067Households_12/31/2017PWC GIS Division
*Average Household Size:3.08People_12/31/2017PWC GIS Division
Housing Occupancy Rate:__95.92%12/31/2017PWC GIS Division
SEXMale:227,210People49.82%2012-2016PWC GIS Division, U.S. Census Bureau
Female:228,895People50.18%2012-2016PWC GIS Division, U.S. Census Bureau
AGEMedian Age:34.40Years Old_2012-2016PWC GIS Division, U.S. Census Bureau
Under 5 Years:35,218People7.72%2012-2016PWC GIS Division, U.S. Census Bureau
5 to 17 Years:92,539People20.29%2012-2016PWC GIS Division, U.S. Census Bureau
Under 18 Years:127,757People28.01%2012-2016PWC GIS Division, U.S. Census Bureau
18 to 64 Years:290,451People63.68%2012-2016PWC GIS Division, U.S. Census Bureau
60 Years and Over:58,823People12.90%2012-2016PWC GIS Division, U.S. Census Bureau
65 Years and Over:37,897People8.31%2012-2016PWC GIS Division, U.S. Census Bureau




RACE (NOT HISPANIC OR LATINO)
White:207,718People45.54%2012-2016PWC GIS Division, U.S. Census Bureau
Black:90,871People19.92%2012-2016PWC GIS Division, U.S. Census Bureau
American Indian and Alaska Native:1,114People0.24%2012-2016PWC GIS Division, U.S. Census Bureau
Asian:35,908People7.87%2012-2016PWC GIS Division, U.S. Census Bureau
Native Hawaiian and Other Pacific Islander:517People0.11%2012-2016PWC GIS Division, U.S. Census Bureau
Some other race:1,150People0.25%2012-2016PWC GIS Division, U.S. Census Bureau
Two or more races:18,977People4.16%2012-2016PWC GIS Division, U.S. Census Bureau
ETHNICITYHispanic or Latino:99,848People21.89%2012-2016PWC GIS Division, U.S. Census Bureau
Not Hispanic or Latino:356,257People78.11%2012-2016PWC GIS Division, U.S. Census Bureau
 Foreign Born:103,988People22.80%2012-2016PWC GIS Division, U.S. Census Bureau
FAMILIESAverage Family Size:3.63People_2012-2016PWC GIS Division, U.S. Census Bureau
Families:112,707Families77.16%2012-2016PWC GIS Division, U.S. Census Bureau
Married-Couple Family Households:88,186Households60.37%2012-2016PWC GIS Division, U.S. Census Bureau
Married-Couple Family Households with Own Children Under 18 Years:47,899Households32.79%2012-2016PWC GIS Division, U.S. Census Bureau
HOUSINGOwner-Occupied:103,961Housing Units71.17%2012-2016PWC GIS Division, U.S. Census Bureau
Renter-Occupied:42,106Housing Units28.83%2012-2016PWC GIS Division, U.S. Census Bureau
*1-Unit, Detached: PWC GIS Division Estimate:83,540Housing Units54.86%12/31/2017PWC GIS Division
*1-Unit, Attached, PWC GIS Division Estimate:37,716Housing Units24.77%12/31/2017PWC GIS Division
*Multi-Unit: PWC GIS Division Estimate:31,018Housing Units20.37%12/31/2017PWC GIS Division
INCOME & POVERTYMedian household Income: $   98,546.00 U.S. Dollars_2012-2016PWC GIS Division, U.S. Census Bureau
Population Living Below the Poverty Level:31,737People7.04%2012-2016PWC GIS Division, U.S. Census Bureau
Population Under 18 Years Living Below the Poverty Level:12,980People2.88%2012-2016PWC GIS Division, U.S. Census Bureau
Population 65 Years and Over Living Below the Poverty Level:1,826People0.41%2012-2016PWC GIS Division, U.S. Census Bureau

*Estimates produced by Prince William County Government: Dept. of Information Technology-GIS Division. 2017 Quarter 4.


1. IMPORTANT: Any number that represents a continuous variable type and comes from the U.S. Census has been adjusted to better match the PWC GIS Division's Quarter 4, 2017 population estimate. Therefore, these numbers will not match the American Community Survey values. Example: The population of those under age 18 originally reported by the U.S. Census ACS 2016 5-Year Estimates was 124,263, which is 28.01% of the total population for PWC as reported by the ACS (443,630). The GIS Division's Quarter 4 population estimate was 456,105. Therefore, the adjusted total for those under age 18 = 28.01% * 456,105. This brings the total of those under age 18 to 127,755. Each year on February 1st the standard data dictionary will be updated with the new ACS numbers and adjusted to the previous year's Quarter 4 population estimate produced by the GIS Division.

Sources: download the full dataset to view a complete list of sources, which includes the U.S. Census Bureau, Social Explorer, CDC, US DHHS, PWCS, and PWC GIS Division.

HOW TO CITE THE DICTIONARY:

Prince William County Government (2018). Standard Data Dictionary: Version 2018. Prince William County Department of Information Technology, GIS Division. Retrieved from www.pwcgov.org/demographics

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